Hello, 

Recently I've had an issue with one of the host servers. I've emailed the user 
list about this with subject " ACS 4.11.1.0 - agent.properties file became 
empty on a KVM host " 

In summary, the logic behind the autogeneration / modification of the 
agent.properties file is somewhat flawed. In my case, the host file had a 0 
byte size agent.properties file after the management server was restarted. This 
was likely to be due to the root partition being full at the time when the 
automatic modification took place. As a result, host server became disconnected 
and unable to connect. All vms were stuck on that host server without the 
ability to migrate them. 

Perhaps there should be more common sanity checks to make sure the destination 
file could actually be automatically created. 

Andrei 

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